"We looked into installing a variable speed drive on the press," explains Yager, "so we could stamp the aluminum at the slower speed and the steel at the original speed."
我们考虑在压机上安装一个可变速的驱动装置，这样我们就可以冲压铝件时降低速度，冲压钢件时恢复原来的速度。
When sticking stamps, people tear off the wax paper on the stamp-sticking place and then stick and press the stamps.
粘贴邮票时，将贴邮票处上的蜡纸揭掉，粘上邮票压紧即可。
When sticking stamps, people tear off the wax paper on the stamp-sticking place and then stick and press the stamps.
粘贴邮票时，将贴邮票处上的蜡纸揭掉，粘上邮票压紧即可。
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